From 95a9fdea07ea91192b4b45ea94b130156696a2b0 Mon Sep 17 00:00:00 2001
From: elvispr94 <115122855+elvispr94@users.noreply.github.com>
Date: Sun, 8 Dec 2024 02:11:02 +0300
Subject: [PATCH] Update ExtrusionProcessor.hpp

---
 src/libslic3r/GCode/ExtrusionProcessor.hpp | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/libslic3r/GCode/ExtrusionProcessor.hpp b/src/libslic3r/GCode/ExtrusionProcessor.hpp
index a8fd775e2a1..a96298adc80 100644
--- a/src/libslic3r/GCode/ExtrusionProcessor.hpp
+++ b/src/libslic3r/GCode/ExtrusionProcessor.hpp
@@ -421,11 +421,16 @@ class ExtrusionQualityEstimator
 					}
 				}
 			}	
-
             auto calculate_speed = [&speed_sections, &original_speed](float distance) {
                 float final_speed;
                 if (distance <= speed_sections.front().first) {
                     final_speed = original_speed;
+                    if (distance >0){
+                    	float t = distance / speed_sections.front().first;
+                    		  t           = std::clamp(t, 0.0f, 1.0f);
+                    		final_speed = (1.0f - t) * original_speed + t * speed_sections.front().second;
+                    	printf("distance %f, speed_sections.front().first %f, original speed %f, t %f, final_speed %f \n", distance, speed_sections.front().first, original_speed, final_speed);
+                    }
                 } else if (distance >= speed_sections.back().first) {
                     final_speed = speed_sections.back().second;
                 } else {
@@ -438,7 +443,7 @@ class ExtrusionQualityEstimator
                     t           = std::clamp(t, 0.0f, 1.0f);
                     final_speed = (1.0f - t) * speed_sections[section_idx].second + t * speed_sections[section_idx + 1].second;
                 }
-                return round(final_speed);
+                return final_speed;
             };
             
             float extrusion_speed = std::min(calculate_speed(curr.distance), calculate_speed(next.distance));